247968135

素因数分解:

$3^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1607}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 449519616

約数和(自身を除く): 201551481

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 243, 381, 405, 635, 1143, 1215, 1607, 1905, 3429, 4821, 5715, 8035, 10287, 14463, 17145, 24105, 30861, 43389, 51435, 72315, 130167, 154305, 204089, 216945, 390501, 612267, 650835, 1020445, 1836801, 1952505, 3061335, 5510403, 9184005, 16531209, 27552015, 49593627, 82656045, 247968135]

約数ペア:

[(1, 247968135), (3, 82656045), (5, 49593627), (9, 27552015), (15, 16531209), (27, 9184005), (45, 5510403), (81, 3061335), (127, 1952505), (135, 1836801), (243, 1020445), (381, 650835), (405, 612267), (635, 390501), (1143, 216945), (1215, 204089), (1607, 154305), (1905, 130167), (3429, 72315), (4821, 51435), (5715, 43389), (8035, 30861), (10287, 24105), (14463, 17145)]